Step 4: Go to My.Pluto.Tv/activate and enter the activation code. Step 5: Your device is ready to watch Pluto TV channel. Where to Watch Pluto TV Pluto has a variety of options where viewers can watch their favorite TV shows and movies. You can access this live TV streaming service from Smart TVs like Apple TV or connected TV devices. Other options include watching via the web, US mobile app, US desktop app, international desktop app, and international mobile app. Click to Activate Pluto TV On Your Device!